Patent US4907598A successfully refreshed from Google Patents.
US4907598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guillotine biopsy needle provided with flexible stylus and cannula
Assignee: Cardinal Health 200 LLC
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Filing: 1988-04-19
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Granted: 1990-03-13
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Expires: 2008-04-19
Abstract
Abstract A biopsy guillotine needle, wherein said needle comprises a guillotine portion therewithin a drawing member is able of longitudinally sliding, said drawing member being rigid with the free end of a flexible cable, controlled for sliding within a flexible sheath by control means acting on the opposite end of said flexible cable.
Inventors
- 👤 Alberto Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:01
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/04; A61B2010/045
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A biopsy guillotine needle, characterized in that said needle comprises a guillotine portion therewithin a drawing member (7) is able of longitudinally sliding, said drawing member having a cutting edge at its distal end for entering tissue to be sampled and being rigid with the free end of a flexible cable (4) controlled for sliding within a flexible sheath (5) by control means (2) acting on the opposite end of said flexible cable.
Claim 2
Dependent Claim
73 words
A biopsy guillotine needle, characterized in that said needle comprises a guillotine portion therewithin a drawing member (7) is able of longitudinally sliding, said drawing member having a cutting edge at its distal end for entering tissue to be sampled and being rigid with the free end of a flexible cable (4) controlled for sliding within a flexible sheath (5) by control means (2) acting on the opposite end of said flexible cable.
Claim 3
Dependent Claim
101 words
A flexible needle for histologically drawing endotissue samples through a flexible endoscope, said needle including an elongated flexible cable, a flexible sheath having a cavity therein in which the flexible cable slides, a drawing member having a cutting edge at its distal end for entering the endotissues to be sampled and having a tissue receiving portion remote from said cutting edge and a sleeve having a cutting edge at its distal end which cooperates with the tissue receiving portion of said drawing member for cutting the endotissue to be sampled, said sleeve being fixed at the end of said flexible sheath.
Claim 4
Dependent Claim
101 words
A flexible needle for histologically drawing endotissue samples through a flexible endoscope, said needle including an elongated flexible cable, a flexible sheath having a cavity therein in which the flexible cable slides, a drawing member having a cutting edge at its distal end for entering the endotissues to be sampled and having a tissue receiving portion remote from said cutting edge and a sleeve having a cutting edge at its distal end which cooperates with the tissue receiving portion of said drawing member for cutting the endotissue to be sampled, said sleeve being fixed at the end of said flexible sheath.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-12 | 1993-09-11 | 1994-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-12 | 1997-09-11 | 1998-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-12 | 2001-09-11 | 2002-03-13 | $7700.00 | Window Closed / Lapsed |